CN214228245U - Wireless duplex communication apparatus and wireless duplex communication system - Google Patents
Wireless duplex communication apparatus and wireless duplex communication system Download PDFInfo
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- CN214228245U CN214228245U CN202022570833.5U CN202022570833U CN214228245U CN 214228245 U CN214228245 U CN 214228245U CN 202022570833 U CN202022570833 U CN 202022570833U CN 214228245 U CN214228245 U CN 214228245U
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Abstract
The utility model provides a wireless duplex communication device and wireless duplex communication system, the device includes: the system comprises a first signal transmitting module, a first signal receiving module, a second signal transmitting module, a second signal receiving module, a first processor module and a second processor module; the first processor module receives a first differential voltage signal, and the first processor module is connected with the first signal transmitting module; the first signal transmitting module transmits a first laser signal; the second signal receiving module receives a first laser signal, and is connected with the second processor module; the second processor module outputs a second differential voltage signal. The connection method of the second signal transmitting module, the second signal receiving module and the second processor module is the same as the connection method. The utility model provides a wireless duplex communication device can send signal when received signal, realizes two-way communication.
Description
Technical Field
The utility model belongs to the technical field of wireless communication, more specifically say, relate to a wireless duplex communication device and wireless duplex communication system.
Background
With the increasing application of laser radar, data communication inside the machine becomes another important index for measuring the performance of the machine.
In the conventional wireless communication product, information interaction inside the whole machine is usually completed by using unidirectional communication, which has a problem of occupying an information transmission channel, so how to provide a wireless duplex communication device to realize bidirectional communication becomes a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless duplex communication device and wireless duplex communication system to there is the problem that information transmission channel took in the inside unidirectional communication that uses of solution machine.
In order to achieve the above object, the first aspect of the present invention provides a wireless duplex communication apparatus, which includes:
the system comprises a first signal transmitting module, a first signal receiving module, a second signal transmitting module, a second signal receiving module, a first processor module and a second processor module;
a first input end of the first processor module receives a first differential voltage signal, a first output end of the first processor module is connected with an input end of the first signal transmitting module, and an output end of the first signal transmitting module transmits a first laser signal; the input end of the second signal receiving module receives a first laser signal, the output end of the second signal receiving module is connected with the first input end of the second processor module, and the first output end of the second processor module outputs a second differential voltage signal;
a second input end of the second processor module receives a third differential voltage signal, a second output end of the second processor module is connected with an input end of the second signal transmitting module, and an output end of the second signal transmitting module transmits a second laser signal; the input end of the first signal receiving module receives a second laser signal, the output end of the first signal receiving module is connected with the second input end of the first processor module, and the second output end of the first processor module outputs a fourth differential voltage signal.
Optionally, the first processor module comprises a first receiving unit and a first driving unit;
the input end of the first driving unit is used for receiving a first differential voltage signal, and the output end of the first driving unit is connected with the input end of the first signal transmitting module;
the input end of the first receiving unit is connected with the output end of the first signal receiving module, and the output end of the first receiving unit is used for outputting a fourth differential voltage signal.
Optionally, the first receiving unit comprises a first limiting amplifier and a first pulse driver;
the input end of the first limiting amplifier is connected with the output end of the first signal receiving module, the output end of the first limiting amplifier is connected with the input end of the first pulse driver, and the output end of the first pulse driver is used for outputting a fourth differential voltage signal.
Optionally, the first driving unit includes a first equalizing effect, a first monitor, a first controller, and a first operational amplifier;
the input end of the first equalization effect device is used for receiving a first differential voltage signal, the first output end of the first equalization effect device is connected with the first input end of the first operational amplifier, the second output end of the first equalization effect device is connected with the input end of the first monitor, the output end of the first monitor is connected with the first input end of the first controller, the output end of the first controller is connected with the second input end of the first operational amplifier, and the output end of the first operational amplifier is connected with the input end of the first signal transmitting module.
Optionally, the first signal transmitting module includes a first signal transmitting unit and a first signal monitoring unit;
the output end of the first signal transmitting unit transmits a first laser signal;
the first signal monitoring unit is used for detecting the power of a first laser signal, and the output end of the first signal monitoring unit is connected with the second input end of the first controller.
Optionally, the first signal emitting unit is a vertical cavity surface emitting laser.
Optionally, the first signal monitoring unit is a backlight power detection chip.
Optionally, the wireless duplex communication apparatus further includes an upper circuit board and a lower circuit board;
the first processor module, the first signal transmitting module and the first signal receiving module are arranged on the upper circuit board;
the second processor module, the second signal transmitting module and the second signal receiving module are arranged on the lower circuit board.
The embodiment of the utility model provides a second aspect provides a wireless duplex communication system, include the embodiment of the utility model provides an arbitrary kind wireless duplex communication device in the first aspect.
The utility model provides a wireless duplex communication device and wireless duplex communication system's beneficial effect lies in:
in the embodiment of the present invention, the first differential voltage signal is converted into the first laser signal through the first processor module and the first signal transmitting module, and the first laser signal is converted into the second differential voltage signal through the second signal receiving module and the second processor module; the third differential voltage signal is converted into a second laser signal through the second processor module and the second signal transmitting module, and the second laser signal is converted into a fourth differential voltage signal through the first signal receiving module and the first processor module. That is to say, the utility model provides a wireless duplex communication device can accomplish the sending of signal again when receiving signal, has realized the two-way transmission of signal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wireless duplex communication apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first receiving unit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first driving unit according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wireless duplex communication apparatus according to an embodiment of the present invention, the wireless duplex communication apparatus includes:
a first signal transmitting module 11, a first signal receiving module 12, a second signal transmitting module 13, a second signal receiving module 14, a first processor module 15 and a second processor module 16.
A first input end of the first processor module 15 receives the first differential voltage signal, and processes the received first differential voltage signal to obtain a first driving electrical signal.
The input end of the first signal transmitting module 11 is connected to the first output end of the first processor module 15, and the input end of the first signal transmitting module 11 receives the first driving electrical signal to drive the first signal transmitting module 11 to transmit the first laser signal.
The input end of the second signal receiving module 14 receives the first laser signal and converts the received first laser signal into a first electrical signal.
An output terminal of the second signal receiving module 14 is connected to a first input terminal of a second processor module 16, and the second processor module 16 is configured to convert the received first electrical signal into a second differential voltage signal.
A first output of the second processor module 16 outputs a second differential voltage signal.
A second input end of the second processor module 16 receives the third differential voltage signal, and processes the received first differential voltage signal to obtain a second driving electrical signal.
The input end of the second signal transmitting module 13 is connected to the second output end of the second processor module 16, and the input end of the first signal transmitting module 13 receives the first driving electrical signal to drive the first signal transmitting module 13 to transmit the second laser signal.
The input end of the first signal receiving module 12 receives the second laser signal and converts the received second laser signal into a second electrical signal.
The output end of the first signal receiving module 12 is connected to the second input end of the first processor module 15, and the first processor module 15 is configured to convert the received second electrical signal into a fourth differential voltage signal.
A second output of the first processor module 15 outputs a fourth differential voltage signal.
In this embodiment, the first signal receiving module includes a PD chip (Photo diode) and a TIA chip (Trans-impedance amplifier), where the detector chip is configured to convert a received first laser signal into a first electrical signal, and the first-stage amplifier chip is configured to amplify the first electrical signal.
The second signal receiving module has the same structure as the first signal receiving module, and is not described herein again.
Optionally, as the embodiment of the present invention provides a specific embodiment of a wireless duplex communication apparatus, the first processor module includes:
a first receiving unit and a first driving unit.
The output end of the first signal receiving module is connected with the input end of the first receiving unit, and the received second electric signal is converted into a fourth differential voltage signal.
The output end of the first receiving unit outputs a fourth differential voltage signal.
The input end of the first driving unit receives the first differential voltage signal, and the first driving unit processes the received first differential voltage signal to obtain a first driving electric signal.
The input end of the first signal emitting module 11 is connected with the output end of the first driving unit, and the first driving electric signal drives the first signal emitting module to drive the first laser signal.
In this embodiment, the input terminal of the first receiving unit is the second input terminal of the first processor module 15, the output terminal of the first receiving unit is the second input terminal of the first processor module 15, the input terminal of the first driving unit is the first input terminal of the first processor module 15, and the output terminal of the first receiving unit is the first input terminal of the first processor module 15.
The second processor module 16 comprises:
a second receiving unit and a second driving unit.
The output end of the second signal receiving module 14 is connected to the input end of the second receiving unit, and converts the received second electrical signal into a second differential voltage signal.
The output end of the second receiving unit outputs a second differential voltage signal.
The input end of the second driving unit receives the third differential voltage signal, and the second driving unit processes the received third differential voltage signal to obtain a second driving electric signal.
The input end of the second signal transmitting module 13 is connected with the output end of the second driving unit, and the second driving electric signal drives the second signal transmitting module to drive the second laser signal.
In this embodiment, the input terminal of the second receiving unit is the second input terminal of the second processor module 16, the output terminal of the second receiving unit is the second input terminal of the second processor module 16, the input terminal of the second driving unit is the second input terminal of the second processor module 16, and the output terminal of the second receiving unit is the second input terminal of the second processor module 16.
Optionally, referring to fig. 1 and fig. 2, as a specific embodiment of the wireless duplex communication apparatus provided in the embodiment of the present invention, the first receiving unit includes:
a first limiting amplifier 21 and a first pulse driver 22.
The input end of the first limiting amplifier 21 is connected to the output end of the first signal receiving module 12, and performs limiting amplification processing on the second electrical signal.
The input end of the first pulse driver 22 is connected to the output end of the first limiting amplifier 21, and converts the second electrical signal after the limiting amplification process into a fourth differential voltage signal.
The output terminal of the first pulse driver 22 outputs the fourth differential voltage signal.
The second receiving unit has the same structure as the first receiving unit, and is not described herein again.
Optionally, referring to fig. 1, fig. 2 and fig. 3, as a specific implementation of the wireless duplex communication apparatus provided in this embodiment, the first driving unit includes:
a first equalizer effector 31, a first monitor 32, a first controller 33, and a first operational amplifier 34.
The input of the first equalizing effect 31 is configured to receive the first differential voltage signal, and shape and filter the level of the first differential voltage signal.
A first output of the first equalizing effect 31 is connected to an input of a first operational amplifier 34 for inputting a first differential voltage signal to the first input of the first operational amplifier.
The input terminal of the first monitor 32 is connected to the second output terminal of the first equalizing effector 31, and monitors the output amplitude of the first differential voltage signal to obtain a first monitor signal.
A first input of the first controller 33 is connected to an output of the first monitor 32 and converts the first monitor signal into a first control signal.
If the first preset amplitude of the first controller 33 is greater than the first monitoring signal, the first controller 33 outputs a first control signal for controlling the amplification of the first differential voltage signal; if the first preset amplitude of the first controller 33 is smaller than the first monitoring signal, the first controller 33 outputs a first control signal for controlling the decrease of the first differential voltage signal.
The output terminal of the first controller 33 is connected to the input terminal of the first operational amplifier 34, and controls the first operational amplifier 34 to amplify the first differential signal.
In the present embodiment, the first operational amplifier uses an integrated high-speed operational amplifier to improve the accuracy of the output current.
The second driving unit includes:
a second equalizer, a second monitor, a second controller, and a second operational amplifier.
The input end of the second equalization effect is used for receiving the third differential voltage signal and shaping and filtering the level of the third differential voltage signal.
The first output end of the second equalization effect is connected with the first input end of the second operational amplifier and used for inputting the third differential voltage signal to the first input end of the first operational amplifier.
The input end of the second monitor is connected with the second output end of the second equalization effect device, and the output amplitude of the third differential voltage signal is monitored to obtain a second monitoring signal.
The first input terminal of the second controller is connected to the output terminal of the second monitor and converts the second monitor signal into a second control signal.
If the second preset amplitude of the second controller is greater than the second monitoring signal, the second controller outputs a second control signal for controlling the amplification of the second differential voltage signal; if the second preset amplitude of the second controller is smaller than the second monitoring signal, the second controller outputs a second control signal for controlling the third differential voltage signal to be reduced.
The output end of the second controller is connected with the second input end of the second operational amplifier, and the second operational amplifier is controlled to amplify the third differential signal.
In this embodiment, the second operational amplifier uses an integrated high-speed operational amplifier to improve the accuracy of the output current.
Optionally, as a specific implementation manner of the wireless duplex communication apparatus provided by the embodiment of the present invention, the first signal transmitting module 11 includes:
the device comprises a first signal transmitting unit and a first signal monitoring unit.
The output end of the first signal transmitting unit is used for transmitting a first laser signal.
The first signal monitoring unit is used for monitoring the output power of the first laser signal.
The output of the first signal monitoring unit is connected to the second input of the first controller for adjusting the first control signal of the first controller 33.
The second signal transmitting module 13 includes:
a second signal transmitting unit and a second signal monitoring unit.
The output end of the second signal transmitting unit is used for transmitting a second laser signal.
The second signal monitoring unit is used for monitoring the output power of the second laser signal.
The output end of the second signal monitoring unit is connected with the second input end of the second controller and used for adjusting a second control signal of the second controller.
Optionally, the first signal emitting unit is a vertical cavity surface emitting laser.
Optionally, the first signal monitoring unit is a backlight detection chip.
Optionally, two specific embodiments of the wireless duplex communication apparatus provided by the embodiment of the present invention include an upper circuit board and a lower circuit board;
the first processor module 15, the first signal transmitting module 11 and the first signal receiving module 12 are disposed on the upper circuit board.
The second processor module 16, the second signal transmitting module 13 and the second signal receiving module 14 are disposed on the lower circuit board.
In the present embodiment, the side length of the upper circuit board and the lower circuit board may range from 3mm to 5 mm.
In this embodiment, the first signal transmitting module and the first signal receiving module are packaged in a circle with the center of mass of the above circuit board as the origin, and the value of the radius of the circle can be set according to the specifications of the first signal transmitting module and the second signal receiving module.
In this embodiment, the second signal transmitting module and the second signal receiving module are packaged in a circle with the center of mass of the above circuit board as the origin, and the value of the radius of the circle can be set according to the specifications of the second signal transmitting module and the second signal receiving module.
Corresponding to any kind of above-mentioned wireless duplex communication device, the embodiment of the utility model provides a wireless duplex communication system is still provided, and this wireless duplex communication system includes any two kinds of wireless duplex communication devices of the aforesaid, and has the advantage that above-mentioned wireless duplex communication device has, no longer gives unnecessary details here.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A wireless duplex communication apparatus, comprising: the system comprises a first signal transmitting module, a first signal receiving module, a second signal transmitting module, a second signal receiving module, a first processor module and a second processor module;
a first input end of the first processor module receives a first differential voltage signal, a first output end of the first processor module is connected with an input end of the first signal transmitting module, and an output end of the first signal transmitting module transmits a first laser signal; the input end of the second signal receiving module receives a first laser signal, the output end of the second signal receiving module is connected with the first input end of the second processor module, and the first output end of the second processor module outputs a second differential voltage signal;
a second input end of the second processor module receives a third differential voltage signal, a second output end of the second processor module is connected with an input end of the second signal transmitting module, and an output end of the second signal transmitting module transmits a second laser signal; the input end of the first signal receiving module receives a second laser signal, the output end of the first signal receiving module is connected with the second input end of the first processor module, and the second output end of the first processor module outputs a fourth differential voltage signal.
2. The wireless duplex communication apparatus according to claim 1, wherein the first processor module includes a first receiving unit and a first driving unit;
the input end of the first driving unit is used for receiving a first differential voltage signal, and the output end of the first driving unit is connected with the input end of the first signal transmitting module;
the input end of the first receiving unit is connected with the output end of the first signal receiving module, and the output end of the first receiving unit is used for outputting a fourth differential voltage signal.
3. The wireless duplex communication apparatus of claim 2, wherein the first receiving unit comprises a first limiting amplifier and a first pulse driver;
the input end of the first limiting amplifier is connected with the output end of the first signal receiving module, the output end of the first limiting amplifier is connected with the input end of the first pulse driver, and the output end of the first pulse driver is used for outputting a fourth differential voltage signal.
4. The wireless duplex communication apparatus according to claim 2, wherein the first driving unit includes a first equalizing effector, a first monitor, a first controller, and a first operational amplifier;
the input end of the first equalization effect device is used for receiving a first differential voltage signal, the first output end of the first equalization effect device is connected with the first input end of the first operational amplifier, the second output end of the first equalization effect device is connected with the input end of the first monitor, the output end of the first monitor is connected with the first input end of the first controller, the output end of the first controller is connected with the second input end of the first operational amplifier, and the output end of the first operational amplifier is connected with the input end of the first signal transmitting module.
5. The wireless duplex communication apparatus according to claim 4, wherein the first signal transmitting module includes a first signal transmitting unit and a first signal monitoring unit;
the output end of the first signal transmitting unit transmits a first laser signal;
the first signal monitoring unit is used for detecting the power of the first laser signal, and the output end of the first signal monitoring unit is connected with the second input end of the first controller.
6. The wireless duplex communication apparatus according to claim 5, wherein the first signal transmitting unit is a vertical cavity surface emitting laser.
7. The wireless duplex communication apparatus according to claim 5, wherein the first signal monitoring unit is a backlight power detection chip.
8. The wireless duplex communication apparatus according to claim 1, further comprising an upper circuit board and a lower circuit board;
the first processor module, the first signal transmitting module and the first signal receiving module are arranged on the upper circuit board;
the second processor module, the second signal transmitting module and the second signal receiving module are arranged on the lower circuit board.
9. A wireless duplex communication system comprising the wireless duplex communication apparatus according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570833.5U CN214228245U (en) | 2020-11-09 | 2020-11-09 | Wireless duplex communication apparatus and wireless duplex communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570833.5U CN214228245U (en) | 2020-11-09 | 2020-11-09 | Wireless duplex communication apparatus and wireless duplex communication system |
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| Publication Number | Publication Date |
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| CN214228245U true CN214228245U (en) | 2021-09-17 |
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| CN202022570833.5U Active CN214228245U (en) | 2020-11-09 | 2020-11-09 | Wireless duplex communication apparatus and wireless duplex communication system |
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| CN (1) | CN214228245U (en) |
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Effective date of registration: 20221020 Address after: 050200 No. 13, Xintai Street, Luquan District, Shijiazhuang, Hebei Patentee after: Hebei Jiewei Technology Co.,Ltd. Address before: 050000 No. 113, Hezuo Road, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG MAITEDA ELECTRONIC TECHNOLOGY Co.,Ltd. |
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